MaxGraey

/*
  Test environment:
    - node.js 10.5.0
    - macOS   10.13.5
    - MacBook Pro Late 2013

    - Ramda 0.25.0
    - RxJS  6.2.1

  Results (Babel transpiled):

MaxGraey

• Zilliqa Ecosystem Grant Google Form
• EOS VC Google Form
• EOS VC email
• Protocol labs
• Tezos Google Form
• Figment Capital
• Feng shui Capital

MaxGraey

Globals/Numbers 🚧

• EPSILON
• MIN_VALUE
• MAX_VALUE
• MIN_POSITIVE_VALUE (non standard)
• MIN_SAFE_INTEGER
• MAX_SAFE_INTEGER
• NaN
• NEGATIVE_INFINITY

MaxGraey

'use strict';

// run:
// node --expose-gc reverse-string.js
/*
  node v11.3.0, MacBook Late 2013

  Bench results:

  [Naive reverse string]

MaxGraey

export function rotate(inputWidth: i32, inputHeight: i32, rotate: i32): void {
  const bpp = 4;
  let offset = inputWidth * inputHeight * bpp;
  let i = 0;

  // In the straight-copy case, d1 is x, d2 is y.
  // x starts at 0 and increases.
  // y starts at 0 and increases.
  let d1Start: i32;
  let d1Limit: i32;

MaxGraey

export function rotate(inputWidth: i32, inputHeight: i32, rotate: i32): void {
  const bpp = 4;
  let offset = inputWidth * inputHeight * bpp;

  // In the straight-copy case, d1 is x, d2 is y.
  // x starts at 0 and increases.
  // y starts at 0 and increases.
  let d1Start: i32;
  let d1Limit: i32;
  let d1Multiplier: i32;

MaxGraey

FAQ мигрировал на https://github.com/WebAssembly-Enthusiasts/info/blob/master/FAQ/ru.md

Введение

Данный FAQ был специально создан для телеграм сообщества https://t.me/WebAssembly_ru.

Он базируется на статье от Andre Weissflog, но так же содержит множество моих дополнений и мыслей, которые могут быть уже не слишком актуальны на момент прочтения. Прошу это учитывать.

0. Какие цели у WebAssembly?

MaxGraey

const isOrdered = arr => !arr.some((v, i) => v == arr[i + 1]);
function swap(alphabets, idx1, idx2) {
  var t = alphabets[idx1];
  alphabets[idx1] = alphabets[idx2];
  alphabets[idx2] = t;
  return alphabets;
}
function permute(alphabets, startIndex = 0, endIndex = alphabets.length - 1) {
  if (startIndex !== endIndex) {

MaxGraey

const fj = [ 1,        0.01123596,  1,          0.19101124,  0.05617978,  0.39325843, 0.01123596,  0.59550562,  0.21348315]
const wj = [-0.232961,-0.1212703,  -0.29214973,-0.12772172,  0.21085705,  0.6024462,  0.07024019,  0.3625982,  -0.53436423]
const zj = [-1,       -0.01123596,  1,          0.19101124, -0.05617978, -0.39325843, 0.01123596,  0.59550562, -0.21348315]

function approxAbs(x) {
  const B0 = wj[0] / (x + 1 - 1e-15);
  const B1 = wj[1] / (x - zj[1]);
  const B2 = wj[2] / (x - 1 + 1e-15);
  const B3 = wj[3] / (x - zj[3]);
  const B4 = wj[4] / (x - zj[4]);

MaxGraey

// tslint:disable-next-line:no-reference
/// <reference path="../node_modules/assemblyscript/index.d.ts" />

@sealed @unmanaged
class Ge {
    x: Int64Array;
    y: Int64Array;
    z: Int64Array;
    t: Int64Array;